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<html><head><title>Python: module telemetry.internal.image_processing.frame_generator</title>
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<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.internal.html"><font color="#ffffff">internal</font></a>.<a href="telemetry.internal.image_processing.html"><font color="#ffffff">image_processing</font></a>.frame_generator</strong></big></big></font></td
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><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="../telemetry/internal/image_processing/frame_generator.py">telemetry/internal/image_processing/frame_generator.py</a></font></td></tr></table>
    <p><tt>#&nbsp;Copyright&nbsp;2014&nbsp;The&nbsp;Chromium&nbsp;Authors.&nbsp;All&nbsp;rights&nbsp;reserved.<br>
#&nbsp;Use&nbsp;of&nbsp;this&nbsp;source&nbsp;code&nbsp;is&nbsp;governed&nbsp;by&nbsp;a&nbsp;BSD-style&nbsp;license&nbsp;that&nbsp;can&nbsp;be<br>
#&nbsp;found&nbsp;in&nbsp;the&nbsp;LICENSE&nbsp;file.</tt></p>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
    
<tr><td bgcolor="#aa55cc"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="abc.html">abc</a><br>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
    
<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
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<dl>
<dt><font face="helvetica, arial"><a href="telemetry.internal.image_processing.frame_generator.html#FrameGenerator">FrameGenerator</a>
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="exceptions.html#Exception">exceptions.Exception</a>(<a href="exceptions.html#BaseException">exceptions.BaseException</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="telemetry.internal.image_processing.frame_generator.html#FrameReadError">FrameReadError</a>
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</dd>
</dl>
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<font color="#000000" face="helvetica, arial"><a name="FrameGenerator">class <strong>FrameGenerator</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
    
<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan=2><tt>Defines&nbsp;an&nbsp;interface&nbsp;for&nbsp;reading&nbsp;input&nbsp;frames.<br>
&nbsp;<br>
Attributes:<br>
&nbsp;&nbsp;_generator:&nbsp;A&nbsp;reference&nbsp;to&nbsp;the&nbsp;created&nbsp;generator.<br>&nbsp;</tt></td></tr>
<tr><td>&nbsp;</td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="FrameGenerator-__init__"><strong>__init__</strong></a>(self)</dt><dd><tt>Initializes&nbsp;the&nbsp;<a href="#FrameGenerator">FrameGenerator</a>&nbsp;<a href="__builtin__.html#object">object</a>.</tt></dd></dl>

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Data descriptors defined here:<br>
<dl><dt><strong>CurrentFrameNumber</strong></dt>
<dd><tt>Returns:<br>
int,&nbsp;The&nbsp;frame&nbsp;index&nbsp;of&nbsp;the&nbsp;current&nbsp;frame.</tt></dd>
</dl>
<dl><dt><strong>CurrentTimestamp</strong></dt>
<dd><tt>Returns:<br>
float,&nbsp;The&nbsp;timestamp&nbsp;of&nbsp;the&nbsp;current&nbsp;frame&nbsp;in&nbsp;milliseconds.</tt></dd>
</dl>
<dl><dt><strong>Dimensions</strong></dt>
<dd><tt>Returns:<br>
The&nbsp;dimensions&nbsp;of&nbsp;the&nbsp;frame&nbsp;sequence&nbsp;as&nbsp;a&nbsp;tuple&nbsp;int&nbsp;(width,&nbsp;height).<br>
This&nbsp;value&nbsp;should&nbsp;be&nbsp;constant&nbsp;across&nbsp;frames.</tt></dd>
</dl>
<dl><dt><strong>Generator</strong></dt>
<dd><tt>Returns:<br>
A&nbsp;reference&nbsp;to&nbsp;the&nbsp;created&nbsp;generator.</tt></dd>
</dl>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes defined here:<br>
<dl><dt><strong>__abstractmethods__</strong> = frozenset(['CurrentFrameNumber', 'CurrentTimestamp', 'Dimensions', '_CreateGenerator'])</dl>

<dl><dt><strong>__metaclass__</strong> = &lt;class 'abc.ABCMeta'&gt;<dd><tt>Metaclass&nbsp;for&nbsp;defining&nbsp;Abstract&nbsp;Base&nbsp;Classes&nbsp;(ABCs).<br>
&nbsp;<br>
Use&nbsp;this&nbsp;metaclass&nbsp;to&nbsp;create&nbsp;an&nbsp;ABC.&nbsp;&nbsp;An&nbsp;ABC&nbsp;can&nbsp;be&nbsp;subclassed<br>
directly,&nbsp;and&nbsp;then&nbsp;acts&nbsp;as&nbsp;a&nbsp;mix-in&nbsp;class.&nbsp;&nbsp;You&nbsp;can&nbsp;also&nbsp;register<br>
unrelated&nbsp;concrete&nbsp;classes&nbsp;(even&nbsp;built-in&nbsp;classes)&nbsp;and&nbsp;unrelated<br>
ABCs&nbsp;as&nbsp;'virtual&nbsp;subclasses'&nbsp;--&nbsp;these&nbsp;and&nbsp;their&nbsp;descendants&nbsp;will<br>
be&nbsp;considered&nbsp;subclasses&nbsp;of&nbsp;the&nbsp;registering&nbsp;ABC&nbsp;by&nbsp;the&nbsp;built-in<br>
issubclass()&nbsp;function,&nbsp;but&nbsp;the&nbsp;registering&nbsp;ABC&nbsp;won't&nbsp;show&nbsp;up&nbsp;in<br>
their&nbsp;MRO&nbsp;(Method&nbsp;Resolution&nbsp;Order)&nbsp;nor&nbsp;will&nbsp;method<br>
implementations&nbsp;defined&nbsp;by&nbsp;the&nbsp;registering&nbsp;ABC&nbsp;be&nbsp;callable&nbsp;(not<br>
even&nbsp;via&nbsp;super()).</tt></dl>

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<font color="#000000" face="helvetica, arial"><a name="FrameReadError">class <strong>FrameReadError</strong></a>(<a href="exceptions.html#Exception">exceptions.Exception</a>)</font></td></tr>
    
<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="telemetry.internal.image_processing.frame_generator.html#FrameReadError">FrameReadError</a></dd>
<dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd>
<dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Methods inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
<dl><dt><a name="FrameReadError-__init__"><strong>__init__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__init__">__init__</a>(...)&nbsp;initializes&nbsp;x;&nbsp;see&nbsp;help(type(x))&nbsp;for&nbsp;signature</tt></dd></dl>

<hr>
Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
<dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object&gt;<dd><tt>T.<a href="#FrameReadError-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>

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Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><a name="FrameReadError-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__delattr__">__delattr__</a>('name')&nbsp;&lt;==&gt;&nbsp;del&nbsp;x.name</tt></dd></dl>

<dl><dt><a name="FrameReadError-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__getattribute__">__getattribute__</a>('name')&nbsp;&lt;==&gt;&nbsp;x.name</tt></dd></dl>

<dl><dt><a name="FrameReadError-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__getitem__">__getitem__</a>(y)&nbsp;&lt;==&gt;&nbsp;x[y]</tt></dd></dl>

<dl><dt><a name="FrameReadError-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__getslice__">__getslice__</a>(i,&nbsp;j)&nbsp;&lt;==&gt;&nbsp;x[i:j]<br>
&nbsp;<br>
Use&nbsp;of&nbsp;negative&nbsp;indices&nbsp;is&nbsp;not&nbsp;supported.</tt></dd></dl>

<dl><dt><a name="FrameReadError-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl>

<dl><dt><a name="FrameReadError-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__repr__">__repr__</a>()&nbsp;&lt;==&gt;&nbsp;repr(x)</tt></dd></dl>

<dl><dt><a name="FrameReadError-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__setattr__">__setattr__</a>('name',&nbsp;value)&nbsp;&lt;==&gt;&nbsp;x.name&nbsp;=&nbsp;value</tt></dd></dl>

<dl><dt><a name="FrameReadError-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl>

<dl><dt><a name="FrameReadError-__str__"><strong>__str__</strong></a>(...)</dt><dd><tt>x.<a href="#FrameReadError-__str__">__str__</a>()&nbsp;&lt;==&gt;&nbsp;str(x)</tt></dd></dl>

<dl><dt><a name="FrameReadError-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl>

<hr>
Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
</dl>
<dl><dt><strong>args</strong></dt>
</dl>
<dl><dt><strong>message</strong></dt>
</dl>
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